Finding the Fourth Proportional to 390,525.56, 585,577.69 and 177,177.05
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Solution
The fourth proportional to 390,525.56, 585,577.69 and 177,177.05 is: 265,670.00
Step by Step Solution
- Step 1: Write the proportion equation
390,525.56 : 585,577.69 = 177,177.05 : x - Step 2: Convert to fraction form
390,525.56/585,577.69 = 177,177.05/x - Step 3: Cross multiply
390,525.56x = 585,577.69 × 177,177.05 - Step 4: Simplify right side
390,525.56x = 103,750,923,846.24 - Step 5: Solve for x
x = 103,750,923,846.24/390,525.56 - Step 6: Final answer
x = 265,670.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.